SN74LVC2G32DCUTG4 Equivalent & Substitute Parts

Part Overview

The SN74LVC2G32DCUTG4 is a 2-channel OR gate logic IC manufactured by Texas Instruments, housed in an 8-VSSOP surface mount package. This component operates across a wide supply voltage range of 1.65V to 5.5V and is designed for low-power digital logic applications. The part is currently discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and design requirements. Functionally equivalent alternatives are available from multiple manufacturers with identical or superior electrical characteristics.

Key Parameters

Parameter	Value
Logic Type	OR Gate
Number of Circuits	2
Number of Inputs	2
Voltage - Supply	1.65V ~ 5.5V
Current - Quiescent (Max)	10 µA
Current - Output High, Low	32mA, 32mA
Input Logic Level - Low	0.7V ~ 0.8V
Input Logic Level - High	1.7V ~ 2V
Max Propagation Delay @ 5V, 50pF	3.2ns
Operating Temperature	-40°C ~ 125°C
Package / Case	8-VFSOP (0.091", 2.30mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the SN74LVC2G32DCUTG4 is determined by strict equivalence across the following critical parameters:

Logic function: 2-channel OR gate with 2 inputs per channel
Supply voltage range: 1.65V ~ 5.5V
Output drive capability: 32mA high and low
Package type: 8-VFSOP surface mount
Propagation delay: 3.2ns maximum at 5V, 50pF load
Operating temperature range: -40°C ~ 125°C
RoHS3 compliance and MSL Level 1

Substitute parts are grouped into two categories: Texas Instruments parametric equivalents with identical specifications, manufacturer-recommended alternatives from onsemi and Nexperia with functionally equivalent performance, and automotive-qualified variants for specialized applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Product Status	Voltage - Supply	Current - Quiescent (Max)	Max Propagation Delay @ 5V, 50pF	Operating Temperature	Package / Case	Inventory
SN74LVC2G32DCUTG4	Texas Instruments	Discontinued at DiGi Electronics	1.65V ~ 5.5V	10 µA	3.2ns	-40°C ~ 125°C	8-VFSOP (0.091", 2.30mm Width)	958 Pcs
SN74LVC2G32DCUR	Texas Instruments	Active	1.65V ~ 5.5V	10 µA	3.2ns	-40°C ~ 125°C	8-VFSOP (0.091", 2.30mm Width)	3598 Pcs
SN74LVC2G32DCUT	Texas Instruments	Active	1.65V ~ 5.5V	10 µA	3.2ns	-40°C ~ 125°C	8-VFSOP (0.091", 2.30mm Width)	2455 Pcs
NL27WZ32USG	onsemi	Active	1.65V ~ 5.5V	1 µA	3.7ns	-40°C ~ 85°C	8-VFSOP (0.091", 2.30mm Width)	21880 Pcs
74LVC2G32DC,125	Nexperia USA Inc.	Active	1.65V ~ 5.5V	4 µA	3.2ns	-40°C ~ 125°C	8-VFSOP (0.091", 2.30mm Width)	6167 Pcs
74LVC2G32DC-Q100H	Nexperia USA Inc.	Active	1.65V ~ 5.5V	4 µA	3.2ns	-40°C ~ 125°C	8-VFSOP (0.091", 2.30mm Width)	11685 Pcs

Engineering Selection Recommendations

For direct replacement of the discontinued SN74LVC2G32DCUTG4, the SN74LVC2G32DCUR and SN74LVC2G32DCUT from Texas Instruments are parametric equivalents with identical electrical specifications and packaging. Both parts are in active production status with higher inventory availability.

The 74LVC2G32DC,125 and 74LVC2G32DC-Q100H from Nexperia USA Inc. are functionally equivalent alternatives with identical propagation delay and operating temperature range. The 74LVC2G32DC-Q100H carries AEC-Q100 automotive qualification, suitable for automotive-grade applications requiring enhanced reliability documentation.

The NL27WZ32USG from onsemi provides superior quiescent current performance (1 µA versus 10 µA) with marginally higher propagation delay (3.7ns versus 3.2ns) and a reduced operating temperature range (-40°C to 85°C). This part is suitable for applications where lower power consumption is prioritized and the narrower temperature range is acceptable.

All substitute parts maintain RoHS3 compliance, MSL Level 1 rating, and identical package geometry, ensuring direct PCB compatibility without layout modifications.

Frequently Asked Questions (FAQ)

Q: Can SN74LVC2G32DCUR directly replace SN74LVC2G32DCUTG4?

A: Yes. Both parts are Texas Instruments 74LVC2G32 series components with identical electrical specifications, including supply voltage range, propagation delay, output drive capability, and operating temperature. The packaging is identical 8-VFSOP. The primary difference is product status: SN74LVC2G32DCUR is in active production while the original is discontinued.

Q: What is the difference between the Texas Instruments and Nexperia versions?

A: All three manufacturers (Texas Instruments, Nexperia, and onsemi) produce functionally equivalent 2-channel OR gate ICs with the same logic function and package. Texas Instruments and Nexperia versions maintain identical propagation delay (3.2ns) and full temperature range (-40°C to 125°C). Nexperia's 74LVC2G32DC-Q100H includes automotive AEC-Q100 qualification for applications requiring automotive-grade documentation.

Q: Why does the onsemi NL27WZ32USG have lower quiescent current?

A: The NL27WZ32USG is from onsemi's 27WZ series, which incorporates different process technology optimized for reduced standby power consumption. The 1 µA quiescent current versus 10 µA in the original part represents a design trade-off. The propagation delay increases slightly to 3.7ns, and the operating temperature range is narrower (-40°C to 85°C).

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification and MSL Level 1 moisture sensitivity rating, matching the original SN74LVC2G32DCUTG4.

Q: Can I use the automotive-qualified 74LVC2G32DC-Q100H in non-automotive applications?

A: Yes. The 74LVC2G32DC-Q100H is a superset of the standard 74LVC2G32DC,125, with additional AEC-Q100 qualification testing. It maintains identical electrical performance and can be used in any application where the standard version is suitable. The automotive qualification adds no functional restrictions.

Q: What is the difference between Cut Tape (CT) and Tape & Reel (TR) packaging?

A: Cut Tape and Digi-Reel packaging (SN74LVC2G32DCUR, SN74LVC2G32DCUT) are supplied on continuous tape suitable for manual or semi-automated assembly. Tape & Reel packaging (74LVC2G32DC,125, 74LVC2G32DC-Q100H) is supplied on full reels for high-volume automated assembly. Both formats contain identical components; packaging format selection depends on assembly volume and equipment compatibility.

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